Home / 1,872,019.80-2,808,029.70-1,557,091.80

Finding the Fourth Proportional to 1,872,019.80, 2,808,029.70 and 1,557,091.80

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Solution

The fourth proportional to 1,872,019.80, 2,808,029.70 and 1,557,091.80 is: 2,335,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,019.80 : 2,808,029.70 = 1,557,091.80 : x
  2. Step 2: Convert to fraction form
    1,872,019.80/2,808,029.70 = 1,557,091.80/x
  3. Step 3: Cross multiply
    1,872,019.80x = 2,808,029.70 × 1,557,091.80
  4. Step 4: Simplify right side
    1,872,019.80x = 4,372,360,020,026.46
  5. Step 5: Solve for x
    x = 4,372,360,020,026.46/1,872,019.80
  6. Step 6: Final answer
    x = 2,335,637.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.